| // Copyright (C) 2014 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package com.googlesource.gerrit.plugins.imagare; |
| |
| import com.google.gerrit.extensions.restapi.AuthException; |
| import com.google.gerrit.extensions.restapi.ResourceConflictException; |
| import com.google.gerrit.extensions.restapi.Response; |
| import com.google.gerrit.extensions.restapi.RestModifyView; |
| import com.google.gerrit.server.git.GitRepositoryManager; |
| import com.google.inject.Inject; |
| |
| import com.googlesource.gerrit.plugins.imagare.DeleteImage.Input; |
| |
| import org.eclipse.jgit.errors.RepositoryNotFoundException; |
| import org.eclipse.jgit.lib.RefUpdate; |
| import org.eclipse.jgit.lib.Repository; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.IOException; |
| |
| public class DeleteImage implements RestModifyView<ImageResource, Input> { |
| private static final Logger log = LoggerFactory.getLogger(DeleteImage.class); |
| |
| public static class Input { |
| } |
| |
| private final GitRepositoryManager repoManager; |
| |
| @Inject |
| public DeleteImage(GitRepositoryManager repoManager) { |
| this.repoManager = repoManager; |
| } |
| |
| @Override |
| public Response<?> apply(ImageResource rsrc, Input input) |
| throws AuthException, ResourceConflictException, |
| RepositoryNotFoundException, IOException { |
| if (!rsrc.getControl().canDelete()) { |
| throw new AuthException("not allowed to delete image"); |
| } |
| |
| Repository r = repoManager.openRepository(rsrc.getProject()); |
| try { |
| RefUpdate.Result result; |
| RefUpdate u; |
| try { |
| u = r.updateRef(rsrc.getRef()); |
| u.setForceUpdate(true); |
| result = u.delete(); |
| } catch (IOException e) { |
| log.error("Cannot delete " + rsrc.getRef(), e); |
| throw e; |
| } |
| |
| switch (result) { |
| case NEW: |
| case NO_CHANGE: |
| case FAST_FORWARD: |
| case FORCED: |
| break; |
| |
| case REJECTED_CURRENT_BRANCH: |
| log.warn("Cannot delete " + rsrc.getRef() + ": " + result.name()); |
| throw new ResourceConflictException("cannot delete current branch"); |
| |
| default: |
| log.error("Cannot delete " + rsrc.getRef() + ": " + result.name()); |
| throw new ResourceConflictException("cannot delete branch: " + result.name()); |
| } |
| } finally { |
| r.close(); |
| } |
| return Response.none(); |
| } |
| } |